There are various ways you can power outdoor motion sensor lights, including hardwired electric, solar power, batteries, or ...

[Brad] was asked by his Sister to design a motion-based alarm ... active at night and can be battery-powered. What he came up with is a light-sensitive motion sensor that uses very little power.

The main parts of a solar light typically include a solar panel, a rechargeable battery, a light sensor, and an LED light ... and are often equipped with motion sensors. Another type is solar ...

The energy-efficient solar power spot light features three adjustable heads to provide a wide range of illumination. A built-in motion sensor detects movement up to 16 feet within a 120-degree angle.